Powdery fire-extinguishing agent, and process for its preparation
US4346012A · kind A · utility
40Cited by
5References
4Claims
0Family size
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Key dates
| Filing date | May 14, 1980 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | May 14, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62D1/0014
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A powdery fire-extinguishing agent containing a powder as main ingredient and a powder as adjuvant, both or one of said powders being treated with an organofluorine compound which has a fluoroalkyl group containing 3 to 20 carbon atoms, which has a major transition temperature of 20.degree. C. or higher and a fluorine content of 5% by weight or more, which is insoluble in water and insoluble or sparingly soluble in a combustible liquid, and which has oil repellency; and a process for preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.